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2008-08-05 Bean <bean123ch@gmail.com>

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* boot/i386/pc/pxeboot.S (_start): Use drive number 0x7F for pxe.

	* conf/i386-pc.rmk (kernel_img_HEADERS): Add machine/pxe.h.
	(pkglib_MODULES): Add pxe.mod and pxecmd.mod.
	(pxe_mod_SOURCES): New macro.
	(pxe_mod_CFLAGS): Likewise.
	(pxe_mod_LDFLAGS): Likewise.
	(pxecmd_mod_SOURCES): Likewise.
	(pxecmd_mod_CFLAGS): Likewise.
	(pxecmd_mod_LDFLAGS): Likewise.

	* kern/i386/pc/startup.S (grub_pxe_scan): New function.
	(grub_pxe_call): Likewise.

	* include/grub/disk.h (grub_disk_dev_id): Add GRUB_DISK_DEVICE_PXE_ID.

	* commands/i386/pc/pxecmd.c: New file.

	* disk/i386/pc/pxe.c: Likewise.

	* include/grub/i386/pc/pxe.h: Likewise.
This commit is contained in:
bean 2008-08-05 15:15:59 +00:00
parent 6977d49f98
commit 9e7007b310
10 changed files with 1048 additions and 9 deletions
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24
ChangeLog
View file

@ -1,3 +1,27 @@
2008-08-05 Bean <bean123ch@gmail.com>
* boot/i386/pc/pxeboot.S (_start): Use drive number 0x7F for pxe.
* conf/i386-pc.rmk (kernel_img_HEADERS): Add machine/pxe.h.
(pkglib_MODULES): Add pxe.mod and pxecmd.mod.
(pxe_mod_SOURCES): New macro.
(pxe_mod_CFLAGS): Likewise.
(pxe_mod_LDFLAGS): Likewise.
(pxecmd_mod_SOURCES): Likewise.
(pxecmd_mod_CFLAGS): Likewise.
(pxecmd_mod_LDFLAGS): Likewise.
* kern/i386/pc/startup.S (grub_pxe_scan): New function.
(grub_pxe_call): Likewise.
* include/grub/disk.h (grub_disk_dev_id): Add GRUB_DISK_DEVICE_PXE_ID.
* commands/i386/pc/pxecmd.c: New file.
* disk/i386/pc/pxe.c: Likewise.
* include/grub/i386/pc/pxe.h: Likewise.
2008-08-05 Bean <bean123ch@gmail.com> 2008-08-05 Bean <bean123ch@gmail.com>
* util/console.c (grub_console_cur_color): New variable. * util/console.c (grub_console_cur_color): New variable.

1
boot/i386/pc/pxeboot.S
View file

@ -27,6 +27,7 @@
/* Root drive will default to boot drive */ /* Root drive will default to boot drive */
movb $0xFF, %dh movb $0xFF, %dh
movb $0x7F, %dl
/* Jump to the real world */ /* Jump to the real world */
ljmp $0, $0x8200 ljmp $0, $0x8200

96
commands/i386/pc/pxecmd.c Normal file
View file

@ -0,0 +1,96 @@
/* pxe.c - command to control the pxe driver */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/normal.h>
#include <grub/dl.h>
#include <grub/arg.h>
#include <grub/err.h>
#include <grub/misc.h>
#include <grub/machine/pxe.h>
static const struct grub_arg_option options[] =
{
{"info", 'i', 0, "show PXE information.", 0, 0},
{"bsize", 'b', 0, "set PXE block size", 0, ARG_TYPE_INT},
{"unload", 'u', 0, "unload PXE stack.", 0, 0},
{0, 0, 0, 0, 0, 0}
};
static void
print_ip (grub_uint32_t ip)
{
int i;
for (i = 0; i < 3; i++)
{
grub_printf ("%d.", ip & 0xFF);
ip >>= 8;
}
grub_printf ("%d", ip);
}
static grub_err_t
grub_cmd_pxe (struct grub_arg_list *state, int argc, char **args)
{
if (! grub_pxe_pxenv)
return grub_error (GRUB_ERR_FILE_NOT_FOUND, "no pxe environment");
if (state[1].set)
{
int size;
size = grub_strtoul (state[1].arg, 0, 0);
if (size < GRUB_PXE_MIN_BLKSIZE)
size = GRUB_PXE_MIN_BLKSIZE;
else if (size > GRUB_PXE_MAX_BLKSIZE)
size = GRUB_PXE_MAX_BLKSIZE;
grub_pxe_blksize = size;
}
if (state[0].set)
{
grub_printf ("blksize : %d\n", grub_pxe_blksize);
grub_printf ("client ip : ");
print_ip (grub_pxe_your_ip);
grub_printf ("\nserver ip : ");
print_ip (grub_pxe_server_ip);
grub_printf ("\ngateway ip : ");
print_ip (grub_pxe_gateway_ip);
grub_printf ("\n");
}
if (state[2].set)
grub_pxe_unload ();
return 0;
}
GRUB_MOD_INIT(pxecmd)
{
(void) mod; /* To stop warning. */
grub_register_command ("pxe", grub_cmd_pxe, GRUB_COMMAND_FLAG_BOTH,
"pxe [-i|-b|-u]",
"Command to control the PXE device.", options);
}
GRUB_MOD_FINI(pxecmd)
{
grub_unregister_command ("pxe");
}

119
conf/i386-pc.mk
View file

@ -225,7 +225,8 @@ kernel_img_HEADERS = arg.h boot.h cache.h device.h disk.h dl.h elf.h elfload.h \
env.h err.h file.h fs.h kernel.h loader.h misc.h mm.h net.h parser.h \ env.h err.h file.h fs.h kernel.h loader.h misc.h mm.h net.h parser.h \
partition.h pc_partition.h rescue.h symbol.h term.h time.h types.h \ partition.h pc_partition.h rescue.h symbol.h term.h time.h types.h \
machine/biosdisk.h machine/boot.h machine/console.h machine/init.h \ machine/biosdisk.h machine/boot.h machine/console.h machine/init.h \
machine/memory.h machine/loader.h machine/vga.h machine/vbe.h machine/kernel.h machine/memory.h machine/loader.h machine/vga.h machine/vbe.h \
machine/kernel.h machine/pxe.h
kernel_img_CFLAGS = $(COMMON_CFLAGS) kernel_img_CFLAGS = $(COMMON_CFLAGS)
kernel_img_ASFLAGS = $(COMMON_ASFLAGS) kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
kernel_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,$(GRUB_MEMORY_MACHINE_LINK_ADDR) $(COMMON_CFLAGS) kernel_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,$(GRUB_MEMORY_MACHINE_LINK_ADDR) $(COMMON_CFLAGS)
@ -899,7 +900,7 @@ pkglib_MODULES = biosdisk.mod _chain.mod _linux.mod linux.mod normal.mod \
vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \ vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \
videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod \ videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod \
ata.mod vga.mod memdisk.mod jpeg.mod png.mod pci.mod lspci.mod \ ata.mod vga.mod memdisk.mod jpeg.mod png.mod pci.mod lspci.mod \
aout.mod _bsd.mod bsd.mod aout.mod _bsd.mod bsd.mod pxe.mod pxecmd.mod
# For biosdisk.mod. # For biosdisk.mod.
biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c
@ -3058,4 +3059,118 @@ partmap-bsd_mod-loader_i386_bsd_normal.lst: loader/i386/bsd_normal.c $(loader/i3
bsd_mod_CFLAGS = $(COMMON_CFLAGS) bsd_mod_CFLAGS = $(COMMON_CFLAGS)
bsd_mod_LDFLAGS = $(COMMON_LDFLAGS) bsd_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For pxe.mod
pxe_mod_SOURCES = fs/i386/pc/pxe.c
CLEANFILES += pxe.mod mod-pxe.o mod-pxe.c pre-pxe.o pxe_mod-fs_i386_pc_pxe.o und-pxe.lst
ifneq ($(pxe_mod_EXPORTS),no)
CLEANFILES += def-pxe.lst
DEFSYMFILES += def-pxe.lst
endif
MOSTLYCLEANFILES += pxe_mod-fs_i386_pc_pxe.d
UNDSYMFILES += und-pxe.lst
pxe.mod: pre-pxe.o mod-pxe.o $(TARGET_OBJ2ELF)
-rm -f $@
$(TARGET_CC) $(pxe_mod_LDFLAGS) $(TARGET_LDFLAGS) $(MODULE_LDFLAGS) -Wl,-r,-d -o $@ pre-pxe.o mod-pxe.o
if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
pre-pxe.o: $(pxe_mod_DEPENDENCIES) pxe_mod-fs_i386_pc_pxe.o
-rm -f $@
$(TARGET_CC) $(pxe_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ pxe_mod-fs_i386_pc_pxe.o
mod-pxe.o: mod-pxe.c
$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxe_mod_CFLAGS) -c -o $@ $<
mod-pxe.c: moddep.lst genmodsrc.sh
sh $(srcdir)/genmodsrc.sh 'pxe' $< > $@ || (rm -f $@; exit 1)
ifneq ($(pxe_mod_EXPORTS),no)
def-pxe.lst: pre-pxe.o
$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 pxe/' > $@
endif
und-pxe.lst: pre-pxe.o
echo 'pxe' > $@
$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
pxe_mod-fs_i386_pc_pxe.o: fs/i386/pc/pxe.c $(fs/i386/pc/pxe.c_DEPENDENCIES)
$(TARGET_CC) -Ifs/i386/pc -I$(srcdir)/fs/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxe_mod_CFLAGS) -MD -c -o $@ $<
-include pxe_mod-fs_i386_pc_pxe.d
CLEANFILES += cmd-pxe_mod-fs_i386_pc_pxe.lst fs-pxe_mod-fs_i386_pc_pxe.lst partmap-pxe_mod-fs_i386_pc_pxe.lst
COMMANDFILES += cmd-pxe_mod-fs_i386_pc_pxe.lst
FSFILES += fs-pxe_mod-fs_i386_pc_pxe.lst
PARTMAPFILES += partmap-pxe_mod-fs_i386_pc_pxe.lst
cmd-pxe_mod-fs_i386_pc_pxe.lst: fs/i386/pc/pxe.c $(fs/i386/pc/pxe.c_DEPENDENCIES) gencmdlist.sh
set -e; $(TARGET_CC) -Ifs/i386/pc -I$(srcdir)/fs/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxe_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh pxe > $@ || (rm -f $@; exit 1)
fs-pxe_mod-fs_i386_pc_pxe.lst: fs/i386/pc/pxe.c $(fs/i386/pc/pxe.c_DEPENDENCIES) genfslist.sh
set -e; $(TARGET_CC) -Ifs/i386/pc -I$(srcdir)/fs/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxe_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh pxe > $@ || (rm -f $@; exit 1)
partmap-pxe_mod-fs_i386_pc_pxe.lst: fs/i386/pc/pxe.c $(fs/i386/pc/pxe.c_DEPENDENCIES) genpartmaplist.sh
set -e; $(TARGET_CC) -Ifs/i386/pc -I$(srcdir)/fs/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxe_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh pxe > $@ || (rm -f $@; exit 1)
pxe_mod_CFLAGS = $(COMMON_CFLAGS)
pxe_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For pxecmd.mod
pxecmd_mod_SOURCES = commands/i386/pc/pxecmd.c
CLEANFILES += pxecmd.mod mod-pxecmd.o mod-pxecmd.c pre-pxecmd.o pxecmd_mod-commands_i386_pc_pxecmd.o und-pxecmd.lst
ifneq ($(pxecmd_mod_EXPORTS),no)
CLEANFILES += def-pxecmd.lst
DEFSYMFILES += def-pxecmd.lst
endif
MOSTLYCLEANFILES += pxecmd_mod-commands_i386_pc_pxecmd.d
UNDSYMFILES += und-pxecmd.lst
pxecmd.mod: pre-pxecmd.o mod-pxecmd.o $(TARGET_OBJ2ELF)
-rm -f $@
$(TARGET_CC) $(pxecmd_mod_LDFLAGS) $(TARGET_LDFLAGS) $(MODULE_LDFLAGS) -Wl,-r,-d -o $@ pre-pxecmd.o mod-pxecmd.o
if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
pre-pxecmd.o: $(pxecmd_mod_DEPENDENCIES) pxecmd_mod-commands_i386_pc_pxecmd.o
-rm -f $@
$(TARGET_CC) $(pxecmd_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ pxecmd_mod-commands_i386_pc_pxecmd.o
mod-pxecmd.o: mod-pxecmd.c
$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxecmd_mod_CFLAGS) -c -o $@ $<
mod-pxecmd.c: moddep.lst genmodsrc.sh
sh $(srcdir)/genmodsrc.sh 'pxecmd' $< > $@ || (rm -f $@; exit 1)
ifneq ($(pxecmd_mod_EXPORTS),no)
def-pxecmd.lst: pre-pxecmd.o
$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 pxecmd/' > $@
endif
und-pxecmd.lst: pre-pxecmd.o
echo 'pxecmd' > $@
$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
pxecmd_mod-commands_i386_pc_pxecmd.o: commands/i386/pc/pxecmd.c $(commands/i386/pc/pxecmd.c_DEPENDENCIES)
$(TARGET_CC) -Icommands/i386/pc -I$(srcdir)/commands/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxecmd_mod_CFLAGS) -MD -c -o $@ $<
-include pxecmd_mod-commands_i386_pc_pxecmd.d
CLEANFILES += cmd-pxecmd_mod-commands_i386_pc_pxecmd.lst fs-pxecmd_mod-commands_i386_pc_pxecmd.lst partmap-pxecmd_mod-commands_i386_pc_pxecmd.lst
COMMANDFILES += cmd-pxecmd_mod-commands_i386_pc_pxecmd.lst
FSFILES += fs-pxecmd_mod-commands_i386_pc_pxecmd.lst
PARTMAPFILES += partmap-pxecmd_mod-commands_i386_pc_pxecmd.lst
cmd-pxecmd_mod-commands_i386_pc_pxecmd.lst: commands/i386/pc/pxecmd.c $(commands/i386/pc/pxecmd.c_DEPENDENCIES) gencmdlist.sh
set -e; $(TARGET_CC) -Icommands/i386/pc -I$(srcdir)/commands/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxecmd_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh pxecmd > $@ || (rm -f $@; exit 1)
fs-pxecmd_mod-commands_i386_pc_pxecmd.lst: commands/i386/pc/pxecmd.c $(commands/i386/pc/pxecmd.c_DEPENDENCIES) genfslist.sh
set -e; $(TARGET_CC) -Icommands/i386/pc -I$(srcdir)/commands/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxecmd_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh pxecmd > $@ || (rm -f $@; exit 1)
partmap-pxecmd_mod-commands_i386_pc_pxecmd.lst: commands/i386/pc/pxecmd.c $(commands/i386/pc/pxecmd.c_DEPENDENCIES) genpartmaplist.sh
set -e; $(TARGET_CC) -Icommands/i386/pc -I$(srcdir)/commands/i386/pc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(pxecmd_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh pxecmd > $@ || (rm -f $@; exit 1)
pxecmd_mod_CFLAGS = $(COMMON_CFLAGS)
pxecmd_mod_LDFLAGS = $(COMMON_LDFLAGS)
include $(srcdir)/conf/common.mk include $(srcdir)/conf/common.mk

15
conf/i386-pc.rmk
View file

@ -54,7 +54,8 @@ kernel_img_HEADERS = arg.h boot.h cache.h device.h disk.h dl.h elf.h elfload.h \
env.h err.h file.h fs.h kernel.h loader.h misc.h mm.h net.h parser.h \ env.h err.h file.h fs.h kernel.h loader.h misc.h mm.h net.h parser.h \
partition.h pc_partition.h rescue.h symbol.h term.h time.h types.h \ partition.h pc_partition.h rescue.h symbol.h term.h time.h types.h \
machine/biosdisk.h machine/boot.h machine/console.h machine/init.h \ machine/biosdisk.h machine/boot.h machine/console.h machine/init.h \
machine/memory.h machine/loader.h machine/vga.h machine/vbe.h machine/kernel.h machine/memory.h machine/loader.h machine/vga.h machine/vbe.h \
machine/kernel.h machine/pxe.h
kernel_img_CFLAGS = $(COMMON_CFLAGS) kernel_img_CFLAGS = $(COMMON_CFLAGS)
kernel_img_ASFLAGS = $(COMMON_ASFLAGS) kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
kernel_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,$(GRUB_MEMORY_MACHINE_LINK_ADDR) $(COMMON_CFLAGS) kernel_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,$(GRUB_MEMORY_MACHINE_LINK_ADDR) $(COMMON_CFLAGS)
@ -162,7 +163,7 @@ pkglib_MODULES = biosdisk.mod _chain.mod _linux.mod linux.mod normal.mod \
vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \ vbe.mod vbetest.mod vbeinfo.mod video.mod gfxterm.mod \
videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod \ videotest.mod play.mod bitmap.mod tga.mod cpuid.mod serial.mod \
ata.mod vga.mod memdisk.mod jpeg.mod png.mod pci.mod lspci.mod \ ata.mod vga.mod memdisk.mod jpeg.mod png.mod pci.mod lspci.mod \
aout.mod _bsd.mod bsd.mod aout.mod _bsd.mod bsd.mod pxe.mod pxecmd.mod
# For biosdisk.mod. # For biosdisk.mod.
biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c biosdisk_mod_SOURCES = disk/i386/pc/biosdisk.c
@ -329,4 +330,14 @@ bsd_mod_SOURCES = loader/i386/bsd_normal.c
bsd_mod_CFLAGS = $(COMMON_CFLAGS) bsd_mod_CFLAGS = $(COMMON_CFLAGS)
bsd_mod_LDFLAGS = $(COMMON_LDFLAGS) bsd_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For pxe.mod
pxe_mod_SOURCES = fs/i386/pc/pxe.c
pxe_mod_CFLAGS = $(COMMON_CFLAGS)
pxe_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For pxecmd.mod
pxecmd_mod_SOURCES = commands/i386/pc/pxecmd.c
pxecmd_mod_CFLAGS = $(COMMON_CFLAGS)
pxecmd_mod_LDFLAGS = $(COMMON_LDFLAGS)
include $(srcdir)/conf/common.mk include $(srcdir)/conf/common.mk

47
conf/x86_64-efi.mk
View file

@ -112,13 +112,14 @@ kernel_mod_SOURCES = kern/x86_64/efi/startup.S kern/x86_64/efi/callwrap.S \
kern/misc.c kern/mm.c kern/loader.c kern/rescue.c kern/term.c \ kern/misc.c kern/mm.c kern/loader.c kern/rescue.c kern/term.c \
kern/x86_64/dl.c kern/i386/efi/init.c kern/parser.c kern/partition.c \ kern/x86_64/dl.c kern/i386/efi/init.c kern/parser.c kern/partition.c \
kern/env.c symlist.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c \ kern/env.c symlist.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c \
kern/generic/millisleep.c kern/generic/rtc_get_time_ms.c \
term/efi/console.c disk/efi/efidisk.c term/efi/console.c disk/efi/efidisk.c
CLEANFILES += kernel.mod mod-kernel.o mod-kernel.c pre-kernel.o kernel_mod-kern_x86_64_efi_startup.o kernel_mod-kern_x86_64_efi_callwrap.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_x86_64_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o und-kernel.lst CLEANFILES += kernel.mod mod-kernel.o mod-kernel.c pre-kernel.o kernel_mod-kern_x86_64_efi_startup.o kernel_mod-kern_x86_64_efi_callwrap.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_x86_64_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-kern_generic_millisleep.o kernel_mod-kern_generic_rtc_get_time_ms.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o und-kernel.lst
ifneq ($(kernel_mod_EXPORTS),no) ifneq ($(kernel_mod_EXPORTS),no)
CLEANFILES += def-kernel.lst CLEANFILES += def-kernel.lst
DEFSYMFILES += def-kernel.lst DEFSYMFILES += def-kernel.lst
endif endif
MOSTLYCLEANFILES += kernel_mod-kern_x86_64_efi_startup.d kernel_mod-kern_x86_64_efi_callwrap.d kernel_mod-kern_main.d kernel_mod-kern_device.d kernel_mod-kern_disk.d kernel_mod-kern_dl.d kernel_mod-kern_file.d kernel_mod-kern_fs.d kernel_mod-kern_err.d kernel_mod-kern_misc.d kernel_mod-kern_mm.d kernel_mod-kern_loader.d kernel_mod-kern_rescue.d kernel_mod-kern_term.d kernel_mod-kern_x86_64_dl.d kernel_mod-kern_i386_efi_init.d kernel_mod-kern_parser.d kernel_mod-kern_partition.d kernel_mod-kern_env.d kernel_mod-symlist.d kernel_mod-kern_efi_efi.d kernel_mod-kern_efi_init.d kernel_mod-kern_efi_mm.d kernel_mod-term_efi_console.d kernel_mod-disk_efi_efidisk.d MOSTLYCLEANFILES += kernel_mod-kern_x86_64_efi_startup.d kernel_mod-kern_x86_64_efi_callwrap.d kernel_mod-kern_main.d kernel_mod-kern_device.d kernel_mod-kern_disk.d kernel_mod-kern_dl.d kernel_mod-kern_file.d kernel_mod-kern_fs.d kernel_mod-kern_err.d kernel_mod-kern_misc.d kernel_mod-kern_mm.d kernel_mod-kern_loader.d kernel_mod-kern_rescue.d kernel_mod-kern_term.d kernel_mod-kern_x86_64_dl.d kernel_mod-kern_i386_efi_init.d kernel_mod-kern_parser.d kernel_mod-kern_partition.d kernel_mod-kern_env.d kernel_mod-symlist.d kernel_mod-kern_efi_efi.d kernel_mod-kern_efi_init.d kernel_mod-kern_efi_mm.d kernel_mod-kern_generic_millisleep.d kernel_mod-kern_generic_rtc_get_time_ms.d kernel_mod-term_efi_console.d kernel_mod-disk_efi_efidisk.d
UNDSYMFILES += und-kernel.lst UNDSYMFILES += und-kernel.lst
kernel.mod: pre-kernel.o mod-kernel.o $(TARGET_OBJ2ELF) kernel.mod: pre-kernel.o mod-kernel.o $(TARGET_OBJ2ELF)
@ -127,9 +128,9 @@ kernel.mod: pre-kernel.o mod-kernel.o $(TARGET_OBJ2ELF)
if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@ $(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
pre-kernel.o: $(kernel_mod_DEPENDENCIES) kernel_mod-kern_x86_64_efi_startup.o kernel_mod-kern_x86_64_efi_callwrap.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_x86_64_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o pre-kernel.o: $(kernel_mod_DEPENDENCIES) kernel_mod-kern_x86_64_efi_startup.o kernel_mod-kern_x86_64_efi_callwrap.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_x86_64_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-kern_generic_millisleep.o kernel_mod-kern_generic_rtc_get_time_ms.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o
-rm -f $@ -rm -f $@
$(TARGET_CC) $(kernel_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ kernel_mod-kern_x86_64_efi_startup.o kernel_mod-kern_x86_64_efi_callwrap.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_x86_64_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o $(TARGET_CC) $(kernel_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ kernel_mod-kern_x86_64_efi_startup.o kernel_mod-kern_x86_64_efi_callwrap.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_x86_64_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-kern_generic_millisleep.o kernel_mod-kern_generic_rtc_get_time_ms.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o
mod-kernel.o: mod-kernel.c mod-kernel.o: mod-kernel.c
$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -c -o $@ $< $(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -c -o $@ $<
@ -583,6 +584,44 @@ partmap-kernel_mod-kern_efi_mm.lst: kern/efi/mm.c $(kern/efi/mm.c_DEPENDENCIES)
set -e; $(TARGET_CC) -Ikern/efi -I$(srcdir)/kern/efi $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh kernel > $@ || (rm -f $@; exit 1) set -e; $(TARGET_CC) -Ikern/efi -I$(srcdir)/kern/efi $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh kernel > $@ || (rm -f $@; exit 1)
kernel_mod-kern_generic_millisleep.o: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES)
$(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -MD -c -o $@ $<
-include kernel_mod-kern_generic_millisleep.d
CLEANFILES += cmd-kernel_mod-kern_generic_millisleep.lst fs-kernel_mod-kern_generic_millisleep.lst partmap-kernel_mod-kern_generic_millisleep.lst
COMMANDFILES += cmd-kernel_mod-kern_generic_millisleep.lst
FSFILES += fs-kernel_mod-kern_generic_millisleep.lst
PARTMAPFILES += partmap-kernel_mod-kern_generic_millisleep.lst
cmd-kernel_mod-kern_generic_millisleep.lst: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) gencmdlist.sh
set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh kernel > $@ || (rm -f $@; exit 1)
fs-kernel_mod-kern_generic_millisleep.lst: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) genfslist.sh
set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh kernel > $@ || (rm -f $@; exit 1)
partmap-kernel_mod-kern_generic_millisleep.lst: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) genpartmaplist.sh
set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh kernel > $@ || (rm -f $@; exit 1)
kernel_mod-kern_generic_rtc_get_time_ms.o: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES)
$(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -MD -c -o $@ $<
-include kernel_mod-kern_generic_rtc_get_time_ms.d
CLEANFILES += cmd-kernel_mod-kern_generic_rtc_get_time_ms.lst fs-kernel_mod-kern_generic_rtc_get_time_ms.lst partmap-kernel_mod-kern_generic_rtc_get_time_ms.lst
COMMANDFILES += cmd-kernel_mod-kern_generic_rtc_get_time_ms.lst
FSFILES += fs-kernel_mod-kern_generic_rtc_get_time_ms.lst
PARTMAPFILES += partmap-kernel_mod-kern_generic_rtc_get_time_ms.lst
cmd-kernel_mod-kern_generic_rtc_get_time_ms.lst: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES) gencmdlist.sh
set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh kernel > $@ || (rm -f $@; exit 1)
fs-kernel_mod-kern_generic_rtc_get_time_ms.lst: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES) genfslist.sh
set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh kernel > $@ || (rm -f $@; exit 1)
partmap-kernel_mod-kern_generic_rtc_get_time_ms.lst: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES) genpartmaplist.sh
set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh kernel > $@ || (rm -f $@; exit 1)
kernel_mod-term_efi_console.o: term/efi/console.c $(term/efi/console.c_DEPENDENCIES) kernel_mod-term_efi_console.o: term/efi/console.c $(term/efi/console.c_DEPENDENCIES)
$(TARGET_CC) -Iterm/efi -I$(srcdir)/term/efi $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -MD -c -o $@ $< $(TARGET_CC) -Iterm/efi -I$(srcdir)/term/efi $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -MD -c -o $@ $<
-include kernel_mod-term_efi_console.d -include kernel_mod-term_efi_console.d

335
fs/i386/pc/pxe.c Normal file
View file

@ -0,0 +1,335 @@
/* pxe.c - Driver to provide access to the pxe filesystem */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/dl.h>
#include <grub/fs.h>
#include <grub/mm.h>
#include <grub/disk.h>
#include <grub/file.h>
#include <grub/misc.h>
#include <grub/bufio.h>
#include <grub/machine/pxe.h>
#include <grub/machine/memory.h>
#define SEGMENT(x) ((x) >> 4)
#define OFFSET(x) ((x) & 0xF)
#define SEGOFS(x) ((SEGMENT(x) << 16) + OFFSET(x))
#define LINEAR(x) (void *) (((x >> 16) <<4) + (x & 0xFFFF))
struct grub_pxenv *grub_pxe_pxenv;
grub_uint32_t grub_pxe_your_ip;
grub_uint32_t grub_pxe_server_ip;
grub_uint32_t grub_pxe_gateway_ip;
int grub_pxe_blksize = GRUB_PXE_MIN_BLKSIZE;
struct grub_pxe_data
{
grub_uint32_t packet_number;
char filename[0];
};
static int
grub_pxe_iterate (int (*hook) (const char *name))
{
if (hook ("pxe"))
return 1;
return 0;
}
static grub_err_t
grub_pxe_open (const char *name, grub_disk_t disk)
{
if (grub_strcmp (name, "pxe"))
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "not a pxe disk");
disk->total_sectors = 0;
disk->id = (unsigned long) "pxe";
disk->has_partitions = 0;
disk->data = 0;
return GRUB_ERR_NONE;
}
static void
grub_pxe_close (grub_disk_t disk __attribute((unused)))
{
}
static grub_err_t
grub_pxe_read (grub_disk_t disk __attribute((unused)),
grub_disk_addr_t sector __attribute((unused)),
grub_size_t size __attribute((unused)),
char *buf __attribute((unused)))
{
return GRUB_ERR_OUT_OF_RANGE;
}
static grub_err_t
grub_pxe_write (grub_disk_t disk __attribute((unused)),
grub_disk_addr_t sector __attribute((unused)),
grub_size_t size __attribute((unused)),
const char *buf __attribute((unused)))
{
return GRUB_ERR_OUT_OF_RANGE;
}
static struct grub_disk_dev grub_pxe_dev =
{
.name = "pxe",
.id = GRUB_DISK_DEVICE_PXE_ID,
.iterate = grub_pxe_iterate,
.open = grub_pxe_open,
.close = grub_pxe_close,
.read = grub_pxe_read,
.write = grub_pxe_write,
.next = 0
};
static grub_err_t
grub_pxefs_dir (grub_device_t device __attribute((unused)),
const char *path __attribute((unused)),
int (*hook) (const char *filename, int dir) __attribute((unused)))
{
return GRUB_ERR_NONE;
}
static struct grub_fs grub_pxefs_fs_int;
static grub_err_t
grub_pxefs_open (struct grub_file *file, const char *name)
{
union
{
struct grub_pxenv_tftp_get_fsize c1;
struct grub_pxenv_tftp_open c2;
} c;
struct grub_pxe_data *data;
grub_file_t file_int, bufio;
c.c1.server_ip = grub_pxe_server_ip;
c.c1.gateway_ip = grub_pxe_gateway_ip;
grub_strcpy (c.c1.filename, name);
grub_pxe_call (GRUB_PXENV_TFTP_GET_FSIZE, &c.c1);
if (c.c1.status)
return grub_error (GRUB_ERR_FILE_NOT_FOUND, "file not found");
file->size = c.c1.file_size;
c.c2.tftp_port = grub_cpu_to_be16 (GRUB_PXE_TFTP_PORT);
c.c2.packet_size = grub_pxe_blksize;
grub_pxe_call (GRUB_PXENV_TFTP_OPEN, &c.c2);
if (c.c2.status)
return grub_error (GRUB_ERR_BAD_FS, "open fails");
data = grub_malloc (sizeof (struct grub_pxe_data) + grub_strlen (name) + 1);
if (! data)
return grub_errno;
data->packet_number = 0;
grub_strcpy (data->filename, name);
file_int = grub_malloc (sizeof (*file_int));
if (! file_int)
{
grub_free (data);
return grub_errno;
}
file_int->data = data;
file_int->offset = 0;
file_int->device = 0;
file_int->size = file->size;
file_int->read_hook = 0;
file_int->fs = &grub_pxefs_fs_int;
bufio = grub_bufio_open (file_int, grub_pxe_blksize);
if (! bufio)
{
grub_free (file_int);
grub_free (data);
return grub_errno;
}
file->data = bufio;
return GRUB_ERR_NONE;
}
static grub_ssize_t
grub_pxefs_read (grub_file_t file, char *buf, grub_size_t len)
{
grub_file_t bufio;
bufio = file->data;
bufio->offset = file->offset;
return bufio->fs->read (bufio, buf, len);
}
static grub_ssize_t
grub_pxefs_close (grub_file_t file)
{
grub_file_close ((grub_file_t) file->data);
return grub_errno;
}
static grub_ssize_t
grub_pxefs_read_int (grub_file_t file, char *buf, grub_size_t len)
{
struct grub_pxenv_tftp_read c;
struct grub_pxe_data *data;
grub_uint32_t pn, r;
data = file->data;
pn = grub_divmod64 (file->offset, grub_pxe_blksize, &r);
if (r)
return grub_error (GRUB_ERR_BAD_FS,
"read access must be aligned to packet size");
if (data->packet_number > pn)
{
struct grub_pxenv_tftp_open o;
grub_pxe_call (GRUB_PXENV_TFTP_CLOSE, &o);
o.server_ip = grub_pxe_server_ip;
o.gateway_ip = grub_pxe_gateway_ip;
grub_strcpy (o.filename, data->filename);
o.tftp_port = grub_cpu_to_be16 (GRUB_PXE_TFTP_PORT);
o.packet_size = grub_pxe_blksize;
grub_pxe_call (GRUB_PXENV_TFTP_OPEN, &o);
if (o.status)
return grub_error (GRUB_ERR_BAD_FS, "open fails");
data->packet_number = 0;
}
c.buffer = SEGOFS (GRUB_MEMORY_MACHINE_SCRATCH_ADDR);
while (pn >= data->packet_number)
{
c.buffer_size = grub_pxe_blksize;
grub_pxe_call (GRUB_PXENV_TFTP_READ, &c);
if (c.status)
{
grub_error (GRUB_ERR_BAD_FS, "read fails");
return -1;
}
data->packet_number++;
}
grub_memcpy (buf, (char *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR, len);
return len;
}
static grub_err_t
grub_pxefs_close_int (grub_file_t file)
{
struct grub_pxenv_tftp_close c;
grub_pxe_call (GRUB_PXENV_TFTP_CLOSE, &c);
grub_free (file->data);
return GRUB_ERR_NONE;
}
static grub_err_t
grub_pxefs_label (grub_device_t device __attribute ((unused)),
char **label __attribute ((unused)))
{
*label = 0;
return GRUB_ERR_NONE;
}
static struct grub_fs grub_pxefs_fs =
{
.name = "pxefs",
.dir = grub_pxefs_dir,
.open = grub_pxefs_open,
.read = grub_pxefs_read,
.close = grub_pxefs_close,
.label = grub_pxefs_label,
.next = 0
};
static struct grub_fs grub_pxefs_fs_int =
{
.name = "pxefs",
.read = grub_pxefs_read_int,
.close = grub_pxefs_close_int,
};
static void
grub_pxe_detect (void)
{
struct grub_pxenv *pxenv;
struct grub_pxenv_get_cached_info ci;
struct grub_pxenv_boot_player *bp;
pxenv = grub_pxe_scan ();
if (! pxenv)
return;
ci.packet_type = GRUB_PXENV_PACKET_TYPE_DHCP_ACK;
ci.buffer = 0;
ci.buffer_size = 0;
grub_pxe_call (GRUB_PXENV_GET_CACHED_INFO, &ci);
if (ci.status)
return;
bp = LINEAR (ci.buffer);
grub_pxe_your_ip = bp->your_ip;
grub_pxe_server_ip = bp->server_ip;
grub_pxe_gateway_ip = bp->gateway_ip;
grub_pxe_pxenv = pxenv;
}
void
grub_pxe_unload (void)
{
if (grub_pxe_pxenv)
{
grub_fs_unregister (&grub_pxefs_fs);
grub_disk_dev_unregister (&grub_pxe_dev);
grub_pxe_pxenv = 0;
}
}
GRUB_MOD_INIT(pxe)
{
(void) mod; /* To stop warning. */
grub_pxe_detect ();
if (grub_pxe_pxenv)
{
grub_disk_dev_register (&grub_pxe_dev);
grub_fs_register (&grub_pxefs_fs);
}
}
GRUB_MOD_FINI(pxe)
{
grub_pxe_unload ();
}

1
include/grub/disk.h
View file

@ -39,6 +39,7 @@ enum grub_disk_dev_id
GRUB_DISK_DEVICE_MEMDISK_ID, GRUB_DISK_DEVICE_MEMDISK_ID,
GRUB_DISK_DEVICE_NAND_ID, GRUB_DISK_DEVICE_NAND_ID,
GRUB_DISK_DEVICE_UUID_ID, GRUB_DISK_DEVICE_UUID_ID,
GRUB_DISK_DEVICE_PXE_ID,
}; };
struct grub_disk; struct grub_disk;

318
include/grub/i386/pc/pxe.h Normal file
View file

@ -0,0 +1,318 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_CPU_PXE_H
#define GRUB_CPU_PXE_H
#include <grub/types.h>
#define GRUB_PXENV_TFTP_OPEN 0x0020
#define GRUB_PXENV_TFTP_CLOSE 0x0021
#define GRUB_PXENV_TFTP_READ 0x0022
#define GRUB_PXENV_TFTP_READ_FILE 0x0023
#define GRUB_PXENV_TFTP_READ_FILE_PMODE 0x0024
#define GRUB_PXENV_TFTP_GET_FSIZE 0x0025
#define GRUB_PXENV_UDP_OPEN 0x0030
#define GRUB_PXENV_UDP_CLOSE 0x0031
#define GRUB_PXENV_UDP_READ 0x0032
#define GRUB_PXENV_UDP_WRITE 0x0033
#define GRUB_PXENV_START_UNDI 0x0000
#define GRUB_PXENV_UNDI_STARTUP 0x0001
#define GRUB_PXENV_UNDI_CLEANUP 0x0002
#define GRUB_PXENV_UNDI_INITIALIZE 0x0003
#define GRUB_PXENV_UNDI_RESET_NIC 0x0004
#define GRUB_PXENV_UNDI_SHUTDOWN 0x0005
#define GRUB_PXENV_UNDI_OPEN 0x0006
#define GRUB_PXENV_UNDI_CLOSE 0x0007
#define GRUB_PXENV_UNDI_TRANSMIT 0x0008
#define GRUB_PXENV_UNDI_SET_MCAST_ADDR 0x0009
#define GRUB_PXENV_UNDI_SET_STATION_ADDR 0x000A
#define GRUB_PXENV_UNDI_SET_PACKET_FILTER 0x000B
#define GRUB_PXENV_UNDI_GET_INFORMATION 0x000C
#define GRUB_PXENV_UNDI_GET_STATISTICS 0x000D
#define GRUB_PXENV_UNDI_CLEAR_STATISTICS 0x000E
#define GRUB_PXENV_UNDI_INITIATE_DIAGS 0x000F
#define GRUB_PXENV_UNDI_FORCE_INTERRUPT 0x0010
#define GRUB_PXENV_UNDI_GET_MCAST_ADDR 0x0011
#define GRUB_PXENV_UNDI_GET_NIC_TYPE 0x0012
#define GRUB_PXENV_UNDI_GET_IFACE_INFO 0x0013
#define GRUB_PXENV_UNDI_ISR 0x0014
#define GRUB_PXENV_STOP_UNDI 0x0015
#define GRUB_PXENV_UNDI_GET_STATE 0x0015
#define GRUB_PXENV_UNLOAD_STACK 0x0070
#define GRUB_PXENV_GET_CACHED_INFO 0x0071
#define GRUB_PXENV_RESTART_DHCP 0x0072
#define GRUB_PXENV_RESTART_TFTP 0x0073
#define GRUB_PXENV_MODE_SWITCH 0x0074
#define GRUB_PXENV_START_BASE 0x0075
#define GRUB_PXENV_STOP_BASE 0x0076
#define GRUB_PXENV_EXIT_SUCCESS 0x0000
#define GRUB_PXENV_EXIT_FAILURE 0x0001
#define GRUB_PXENV_STATUS_SUCCESS 0x00
#define GRUB_PXENV_STATUS_FAILURE 0x01
#define GRUB_PXENV_STATUS_BAD_FUNC 0x02
#define GRUB_PXENV_STATUS_UNSUPPORTED 0x03
#define GRUB_PXENV_STATUS_KEEP_UNDI 0x04
#define GRUB_PXENV_STATUS_KEEP_ALL 0x05
#define GRUB_PXENV_STATUS_OUT_OF_RESOURCES 0x06
#define GRUB_PXENV_STATUS_ARP_TIMEOUT 0x11
#define GRUB_PXENV_STATUS_UDP_CLOSED 0x18
#define GRUB_PXENV_STATUS_UDP_OPEN 0x19
#define GRUB_PXENV_STATUS_TFTP_CLOSED 0x1A
#define GRUB_PXENV_STATUS_TFTP_OPEN 0x1B
#define GRUB_PXENV_STATUS_MCOPY_PROBLEM 0x20
#define GRUB_PXENV_STATUS_BIS_INTEGRITY_FAILURE 0x21
#define GRUB_PXENV_STATUS_BIS_VALIDATE_FAILURE 0x22
#define GRUB_PXENV_STATUS_BIS_INIT_FAILURE 0x23
#define GRUB_PXENV_STATUS_BIS_SHUTDOWN_FAILURE 0x24
#define GRUB_PXENV_STATUS_BIS_GBOA_FAILURE 0x25
#define GRUB_PXENV_STATUS_BIS_FREE_FAILURE 0x26
#define GRUB_PXENV_STATUS_BIS_GSI_FAILURE 0x27
#define GRUB_PXENV_STATUS_BIS_BAD_CKSUM 0x28
#define GRUB_PXENV_STATUS_TFTP_CANNOT_ARP_ADDRESS 0x30
#define GRUB_PXENV_STATUS_TFTP_OPEN_TIMEOUT 0x32
#define GRUB_PXENV_STATUS_TFTP_UNKNOWN_OPCODE 0x33
#define GRUB_PXENV_STATUS_TFTP_READ_TIMEOUT 0x35
#define GRUB_PXENV_STATUS_TFTP_ERROR_OPCODE 0x36
#define GRUB_PXENV_STATUS_TFTP_CANNOT_OPEN_CONNECTION 0x38
#define GRUB_PXENV_STATUS_TFTP_CANNOT_READ_FROM_CONNECTION 0x39
#define GRUB_PXENV_STATUS_TFTP_TOO_MANY_PACKAGES 0x3A
#define GRUB_PXENV_STATUS_TFTP_FILE_NOT_FOUND 0x3B
#define GRUB_PXENV_STATUS_TFTP_ACCESS_VIOLATION 0x3C
#define GRUB_PXENV_STATUS_TFTP_NO_MCAST_ADDRESS 0x3D
#define GRUB_PXENV_STATUS_TFTP_NO_FILESIZE 0x3E
#define GRUB_PXENV_STATUS_TFTP_INVALID_PACKET_SIZE 0x3F
#define GRUB_PXENV_STATUS_DHCP_TIMEOUT 0x51
#define GRUB_PXENV_STATUS_DHCP_NO_IP_ADDRESS 0x52
#define GRUB_PXENV_STATUS_DHCP_NO_BOOTFILE_NAME 0x53
#define GRUB_PXENV_STATUS_DHCP_BAD_IP_ADDRESS 0x54
#define GRUB_PXENV_STATUS_UNDI_INVALID_FUNCTION 0x60
#define GRUB_PXENV_STATUS_UNDI_MEDIATEST_FAILED 0x61
#define GRUB_PXENV_STATUS_UNDI_CANNOT_INIT_NIC_FOR_MCAST 0x62
#define GRUB_PXENV_STATUS_UNDI_CANNOT_INITIALIZE_NIC 0x63
#define GRUB_PXENV_STATUS_UNDI_CANNOT_INITIALIZE_PHY 0x64
#define GRUB_PXENV_STATUS_UNDI_CANNOT_READ_CONFIG_DATA 0x65
#define GRUB_PXENV_STATUS_UNDI_CANNOT_READ_INIT_DATA 0x66
#define GRUB_PXENV_STATUS_UNDI_BAD_MAC_ADDRESS 0x67
#define GRUB_PXENV_STATUS_UNDI_BAD_EEPROM_CHECKSUM 0x68
#define GRUB_PXENV_STATUS_UNDI_ERROR_SETTING_ISR 0x69
#define GRUB_PXENV_STATUS_UNDI_INVALID_STATE 0x6A
#define GRUB_PXENV_STATUS_UNDI_TRANSMIT_ERROR 0x6B
#define GRUB_PXENV_STATUS_UNDI_INVALID_PARAMETER 0x6C
#define GRUB_PXENV_STATUS_BSTRAP_PROMPT_MENU 0x74
#define GRUB_PXENV_STATUS_BSTRAP_MCAST_ADDR 0x76
#define GRUB_PXENV_STATUS_BSTRAP_MISSING_LIST 0x77
#define GRUB_PXENV_STATUS_BSTRAP_NO_RESPONSE 0x78
#define GRUB_PXENV_STATUS_BSTRAP_FILE_TOO_BIG 0x79
#define GRUB_PXENV_STATUS_BINL_CANCELED_BY_KEYSTROKE 0xA0
#define GRUB_PXENV_STATUS_BINL_NO_PXE_SERVER 0xA1
#define GRUB_PXENV_STATUS_NOT_AVAILABLE_IN_PMODE 0xA2
#define GRUB_PXENV_STATUS_NOT_AVAILABLE_IN_RMODE 0xA3
#define GRUB_PXENV_STATUS_BUSD_DEVICE_NOT_SUPPORTED 0xB0
#define GRUB_PXENV_STATUS_LOADER_NO_FREE_BASE_MEMORY 0xC0
#define GRUB_PXENV_STATUS_LOADER_NO_BC_ROMID 0xC1
#define GRUB_PXENV_STATUS_LOADER_BAD_BC_ROMID 0xC2
#define GRUB_PXENV_STATUS_LOADER_BAD_BC_RUNTIME_IMAGE 0xC3
#define GRUB_PXENV_STATUS_LOADER_NO_UNDI_ROMID 0xC4
#define GRUB_PXENV_STATUS_LOADER_BAD_UNDI_ROMID 0xC5
#define GRUB_PXENV_STATUS_LOADER_BAD_UNDI_DRIVER_IMAGE 0xC6
#define GRUB_PXENV_STATUS_LOADER_NO_PXE_STRUCT 0xC8
#define GRUB_PXENV_STATUS_LOADER_NO_PXENV_STRUCT 0xC9
#define GRUB_PXENV_STATUS_LOADER_UNDI_START 0xCA
#define GRUB_PXENV_STATUS_LOADER_BC_START 0xCB
#define GRUB_PXENV_PACKET_TYPE_DHCP_DISCOVER 1
#define GRUB_PXENV_PACKET_TYPE_DHCP_ACK 2
#define GRUB_PXENV_PACKET_TYPE_CACHED_REPLY 3
#define GRUB_PXE_BOOTP_REQ 1
#define GRUB_PXE_BOOTP_REP 2
#define GRUB_PXE_BOOTP_BCAST 0x8000
#if 1
#define GRUB_PXE_BOOTP_DHCPVEND 1024 /* DHCP extended vendor field size. */
#else
#define GRUB_PXE_BOOTP_DHCPVEND 312 /* DHCP standard vendor field size. */
#endif
#define GRUB_PXE_MIN_BLKSIZE 512
#define GRUB_PXE_MAX_BLKSIZE 1432
#define GRUB_PXE_TFTP_PORT 69
#define GRUB_PXE_VM_RFC1048 0x63825363L
#define GRUB_PXE_ERR_LEN 0xFFFFFFFF
#ifndef ASM_FILE
struct grub_pxenv
{
grub_uint8_t signature[6]; /* 'PXENV+'. */
grub_uint16_t version; /* MSB = major, LSB = minor. */
grub_uint8_t length; /* structure length. */
grub_uint8_t checksum; /* checksum pad. */
grub_uint32_t rm_entry; /* SEG:OFF to PXE entry point. */
grub_uint32_t pm_offset; /* Protected mode entry. */
grub_uint16_t pm_selector; /* Protected mode selector. */
grub_uint16_t stack_seg; /* Stack segment address. */
grub_uint16_t stack_size; /* Stack segment size (bytes). */
grub_uint16_t bc_code_seg; /* BC Code segment address. */
grub_uint16_t bc_code_size; /* BC Code segment size (bytes). */
grub_uint16_t bc_data_seg; /* BC Data segment address. */
grub_uint16_t bc_data_size; /* BC Data segment size (bytes). */
grub_uint16_t undi_data_seg; /* UNDI Data segment address. */
grub_uint16_t undi_data_size; /* UNDI Data segment size (bytes). */
grub_uint16_t undi_code_seg; /* UNDI Code segment address. */
grub_uint16_t undi_code_size; /* UNDI Code segment size (bytes). */
grub_uint32_t pxe_ptr; /* SEG:OFF to !PXE struct. */
} __attribute__ ((packed));
struct grub_pxenv_get_cached_info
{
grub_uint16_t status;
grub_uint16_t packet_type;
grub_uint16_t buffer_size;
grub_uint32_t buffer;
grub_uint16_t buffer_limit;
} __attribute__ ((packed));
#define GRUB_PXE_MAC_ADDR_LEN 16
typedef grub_uint8_t grub_pxe_mac_addr[GRUB_PXE_MAC_ADDR_LEN];
struct grub_pxenv_boot_player
{
grub_uint8_t opcode;
grub_uint8_t hw_type; /* hardware type. */
grub_uint8_t hw_len; /* hardware addr len. */
grub_uint8_t gate_hops; /* zero it. */
grub_uint32_t ident; /* random number chosen by client. */
grub_uint16_t seconds; /* seconds since did initial bootstrap. */
grub_uint16_t flags;
grub_uint32_t client_ip;
grub_uint32_t your_ip;
grub_uint32_t server_ip;
grub_uint32_t gateway_ip;
grub_pxe_mac_addr mac_addr;
grub_uint8_t server_name[64];
grub_uint8_t boot_file[128];
union
{
grub_uint8_t d[GRUB_PXE_BOOTP_DHCPVEND]; /* raw array of vendor/dhcp options. */
struct
{
grub_uint32_t magic; /* DHCP magic cookie. */
grub_uint32_t flags; /* bootp flags/opcodes. */
grub_uint8_t padding[56];
} v;
} vendor;
} __attribute__ ((packed));
struct grub_pxenv_tftp_open
{
grub_uint16_t status;
grub_uint32_t server_ip;
grub_uint32_t gateway_ip;
grub_uint8_t filename[128];
grub_uint16_t tftp_port;
grub_uint16_t packet_size;
} __attribute__ ((packed));
struct grub_pxenv_tftp_close
{
grub_uint16_t status;
} __attribute__ ((packed));
struct grub_pxenv_tftp_read
{
grub_uint16_t status;
grub_uint16_t packet_number;
grub_uint16_t buffer_size;
grub_uint32_t buffer;
} __attribute__ ((packed));
struct grub_pxenv_tftp_get_fsize
{
grub_uint16_t status;
grub_uint32_t server_ip;
grub_uint32_t gateway_ip;
grub_uint8_t filename[128];
grub_uint32_t file_size;
} __attribute__ ((packed));
struct grub_pxenv_udp_open
{
grub_uint16_t status;
grub_uint32_t src_ip;
} __attribute__ ((packed));
struct grub_pxenv_udp_close
{
grub_uint16_t status;
} __attribute__ ((packed));
struct grub_pxenv_udp_write
{
grub_uint16_t status;
grub_uint32_t ip;
grub_uint32_t gateway;
grub_uint16_t src_port;
grub_uint16_t dst_port;
grub_uint16_t buffer_size;
grub_uint32_t buffer;
} __attribute__ ((packed));
struct grub_pxenv_udp_read
{
grub_uint16_t status;
grub_uint32_t src_ip;
grub_uint32_t dst_ip;
grub_uint16_t src_port;
grub_uint16_t dst_port;
grub_uint16_t buffer_size;
grub_uint32_t buffer;
} __attribute__ ((packed));
struct grub_pxenv_unload_stack
{
grub_uint16_t status;
grub_uint8_t reserved[10];
} __attribute__ ((packed));
struct grub_pxenv * EXPORT_FUNC(grub_pxe_scan) (void);
int EXPORT_FUNC(grub_pxe_call) (int func, void * data);
extern struct grub_pxenv *grub_pxe_pxenv;
extern grub_uint32_t grub_pxe_your_ip;
extern grub_uint32_t grub_pxe_server_ip;
extern grub_uint32_t grub_pxe_gateway_ip;
extern int grub_pxe_blksize;
void grub_pxe_unload (void);
#endif
#endif /* GRUB_CPU_PXE_H */

99
kern/i386/pc/startup.S
View file

@ -2054,3 +2054,102 @@ FUNCTION(grub_vbe_bios_set_palette_data)
popl %ebx popl %ebx
popl %ebp popl %ebp
ret ret
pxe_rm_entry:
.long 0
/*
* struct grub_pxenv *grub_pxe_scan (void);
*/
FUNCTION(grub_pxe_scan)
pushl %ebp
pushl %ebx
xorl %ebx, %ebx
xorl %ecx, %ecx
call prot_to_real
.code16
pushw %es
movw $0x5650, %ax
int $0x1A
cmpw $0x564E, %ax
jnz 1f
cmpl $0x4E455850, %es:(%bx) /* PXEN(V+) */
jnz 1f
cmpw $0x201, %es:6(%bx) /* API version */
jb 1f
lesw %es:0x28(%bx), %bx /* !PXE structure */
cmpl $0x45585021, %es:(%bx) /* !PXE */
jnz 1f
movw %es, %cx
jmp 2f
1:
xorw %bx, %bx
xorw %cx, %cx
2:
popw %es
DATA32 call real_to_prot
.code32
xorl %eax, %eax
leal (%eax, %ecx, 4), %ecx
leal (%ebx, %ecx, 4), %eax /* eax = ecx * 16 + ebx */
orl %eax, %eax
jz 1f
movl 0x10(%eax), %ecx
movl %ecx, pxe_rm_entry
1:
popl %ebx
popl %ebp
ret
/*
* int grub_pxe_call (int func, void* data);
*/
FUNCTION(grub_pxe_call)
pushl %ebp
movl %esp, %ebp
pushl %esi
pushl %edi
pushl %ebx
movl %eax, %ecx
movl %edx, %eax
andl $0xF, %eax
shrl $4, %edx
shll $16, %edx
addl %eax, %edx
movl pxe_rm_entry, %ebx
call prot_to_real
.code16
pushl %ebx
pushl %edx
pushw %cx
movw %sp, %bx
lcall *%ss:6(%bx)
cld
addw $10, %sp
movw %ax, %cx
DATA32 call real_to_prot
.code32
movzwl %cx, %eax
popl %ebx
popl %edi
popl %esi
popl %ebp
ret